3/89 1/14 12/79 12/37 16/23 3/2 ( 192/59),(64/9 ),
分析:
3/89
1/14=6/84
12/79
12/37=24/74
16/23=48/69
3/2=96/64
192/59
64/9=384/54
.
数列:3/89,6/84,12/79 ,24/74,48/69,96/64..
可以看出:分子后一项是前一项的2倍,分母后一项比前一项少5
3/89 1/14 12/79 12/37 16/23 3/2 ( 192/59),(64/9 ),
分析:
3/89
1/14=6/84
12/79
12/37=24/74
16/23=48/69
3/2=96/64
192/59
64/9=384/54
.
数列:3/89,6/84,12/79 ,24/74,48/69,96/64..
可以看出:分子后一项是前一项的2倍,分母后一项比前一项少5